Home / 1,345,731.36-2,018,937-447,177.84

Finding the Fourth Proportional to 1,345,731.36, 2,018,937 and 447,177.84

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Solution

The fourth proportional to 1,345,731.36, 2,018,937 and 447,177.84 is: 670,879.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,345,731.36 : 2,018,937 = 447,177.84 : x
  2. Step 2: Convert to fraction form
    1,345,731.36/2,018,937 = 447,177.84/x
  3. Step 3: Cross multiply
    1,345,731.36x = 2,018,937 × 447,177.84
  4. Step 4: Simplify right side
    1,345,731.36x = 902,823,886,756.08
  5. Step 5: Solve for x
    x = 902,823,886,756.08/1,345,731.36
  6. Step 6: Final answer
    x = 670,879.73

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.